120 lines
2.7 KiB
Plaintext
120 lines
2.7 KiB
Plaintext
#
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# Test information_schema.innodb_cmp_per_index
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#
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# numbers read in this test depend on the page size
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# Using innodb_log_compressed=0 leads to a larger number of page
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# compressions, because page_cur_insert_rec_zip() will reorganize the
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# page before attempting an insert followed by page compression and
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# page_zip_compress_write_log_no_data().
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select @@global.innodb_log_compressed_pages into @save_innodb_log_compressed_pages;
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SET @@global.innodb_log_compressed_pages=1;
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-- vertical_results
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SET GLOBAL innodb_cmp_per_index_enabled=ON;
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# reset any leftover stats from previous tests
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-- disable_query_log
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-- disable_result_log
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SELECT * FROM information_schema.innodb_cmp_per_index_reset;
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-- enable_result_log
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-- enable_query_log
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# see that the table is empty
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SELECT * FROM information_schema.innodb_cmp_per_index;
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# create a table that uses compression
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CREATE TABLE t (
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a INT,
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b VARCHAR(512),
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c VARCHAR(16),
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PRIMARY KEY (a),
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INDEX (b(512)),
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INDEX (c(16))
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) charset latin1 ENGINE=INNODB KEY_BLOCK_SIZE=2;
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SELECT
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database_name,
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table_name,
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index_name,
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compress_ops,
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compress_ops_ok,
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uncompress_ops
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FROM information_schema.innodb_cmp_per_index
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ORDER BY 1, 2, 3;
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# insert some data into it
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BEGIN;
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-- disable_query_log
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let $i=128;
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while ($i)
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{
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-- eval INSERT INTO t VALUES ($i, REPEAT('x', 512), NULL);
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dec $i;
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}
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-- enable_query_log
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COMMIT;
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ALTER TABLE t DROP INDEX c;
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CREATE USER 'tuser01'@'localhost' IDENTIFIED BY 'cDJvI9s_Uq';
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FLUSH PRIVILEGES;
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-- connect (con1,localhost,tuser01,cDJvI9s_Uq,)
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-- connection con1
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-- error ER_SPECIFIC_ACCESS_DENIED_ERROR
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SELECT * FROM information_schema.innodb_cmp_per_index;
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-- connection default
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-- disconnect con1
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DROP USER 'tuser01'@'localhost';
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SELECT
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database_name,
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table_name,
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index_name,
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CASE WHEN compress_ops=47 and @@innodb_compression_level IN (4,8,9) THEN 65
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ELSE compress_ops END as compress_ops,
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CASE WHEN compress_ops_ok=47 and @@innodb_compression_level IN (4,8,9) THEN 65
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ELSE compress_ops_ok END as compress_ops_ok,
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uncompress_ops
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FROM information_schema.innodb_cmp_per_index
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ORDER BY 1, 2, 3;
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SET GLOBAL innodb_log_compressed_pages=@save_innodb_log_compressed_pages;
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--disable_testcase BUG#28624115
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# restart mysqld and see that uncompress ops also gets increased when
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# selecting from the table again
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-- source include/restart_mysqld.inc
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SET GLOBAL innodb_cmp_per_index_enabled=ON;
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#Force table to use primary key
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CREATE TABLE tmp_table SELECT * FROM t;
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SELECT
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database_name,
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table_name,
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index_name,
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compress_ops,
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compress_ops_ok,
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CASE WHEN uncompress_ops=6 and @@innodb_compression_level IN (4,8,9) THEN 9
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ELSE uncompress_ops END as uncompress_ops
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FROM information_schema.innodb_cmp_per_index
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ORDER BY 1, 2, 3;
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DROP TABLE tmp_table;
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--enable_testcase
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DROP TABLE t;
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SET GLOBAL innodb_cmp_per_index_enabled=default;
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